1025660225958 has 16 divisors (see below), whose sum is σ = 2051405868720. Its totient is φ = 341872505856.

The previous prime is 1025660225929. The next prime is 1025660225969. The reversal of 1025660225958 is 8595220665201.

It is a super-2 number, since 2×1025660225958² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1025660225958.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3402403 + ... + 3691566.

It is an arithmetic number, because the mean of its divisors is an integer number (128212866795).

Almost surely, 2^{1025660225958} is an apocalyptic number.

1025660225958 is an abundant number, since it is smaller than the sum of its proper divisors (1025745642762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1025660225958 is a wasteful number, since it uses less digits than its factorization.

1025660225958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7118071.

The product of its (nonzero) digits is 2592000, while the sum is 51.

The spelling of 1025660225958 in words is "one trillion, twenty-five billion, six hundred sixty million, two hundred twenty-five thousand, nine hundred fifty-eight".